Flexible bond, 90mm (double bonding), Packs of ten 90mm flexible bonds to represent double bonding, Use to supplement your Unit building sets or for building custom models
Food Chemistry Set, Includes: 450 pieces and student activity guides for carbohydrates, proteins, lipids, Students construct monosaccharides/illustrate the process of dehydration synthesis, build amino acids and simulate protein synthesis and compare saturated/unsaturated fats
Introductory Chemistry Set, Includes: Hydrogen/Carbon/Oxygen/Nitrogen/Sulfur/Phosphorus/Chlorine/Fluorine/Bromine/Iodine atoms, Gray links for single and double bonds, Contains 120 durable plastic, Economical model set used for General or Organic Chemistry course